<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
    <link rel="stylesheet" href="./css/inputnumber.css"/>
    <link rel="stylesheet" href="./css/index.css"/>
    <title>购物车</title>
</head>
<body>
<div class="app-container" id="app">
    <!-- 顶部banner -->
    <div class="banner-box"><img src="http://autumnfish.cn/static/fruit.jpg" alt=""/></div>
    <!-- 面包屑 -->
    <div class="breadcrumb">
        <span>🏠</span>
        /
        <span>购物车</span>
    </div>
    <!-- 购物车主体 -->
    <div class="main" v-if="fruitList.length>0">
        <div class="table">
            <!-- 头部 -->
            <div class="thead">
                <div class="tr">
                    <div class="th">选中</div>
                    <div class="th th-pic">图片</div>
                    <div class="th">单价</div>
                    <div class="th num-th">个数</div>
                    <div class="th">小计</div>
                    <div class="th">操作</div>
                </div>
            </div>
            <!-- 身体 -->
            <div class="tbody">
                <div class="tr active" v-for="(item,index) in fruitList" :key="item.id">
                    <div class="td"><input type="checkbox" :checked="item.isChecked"/></div>
                    <div class="td"><img :src="item.icon" :alt="item.icon.split('/')[-1]"/></div>
                    <div class="td">{{ item.price }}</div>
                    <div class="td">
                        <div class="my-input-number">
                            <button class="decrease" @click="subtract(item.id)"> -</button>
                            <span class="my-input__inner">{{ item.num }}</span>
                            <button class="increase" @click="add(item.id)"> +</button>
                        </div>
                    </div>
                    <div class="td">{{ item.price * item.num }}</div>
                    <div class="td">
                        <button @click="del(item.id)">删除</button>
                    </div>
                </div>
            </div>
        </div>
        <!-- 底部 -->
        <div class="bottom">
            <!-- 全选 -->
            <label class="check-all">
                <input type="checkbox"/>
                全选
            </label>
            <div class="right-box">
                <!-- 所有商品总价 -->
                <span class="price-box">总价&nbsp;&nbsp;:&nbsp;&nbsp;¥&nbsp;<span class="price">24</span></span>
                <!-- 结算按钮 -->
                <button class="pay">结算( 6 )</button>
            </div>
        </div>
    </div>
    <!-- 空车 -->
    <div class="empty" v-else>🛒空空如也</div>
</div>
<script src="../js/vue.js"></script>
<script>
    const app = new Vue({
        el: '#app',
        data: {
            // 水果列表
            fruitList: [
                {
                    id: 1,
                    icon: 'http://autumnfish.cn/static/火龙果.png',
                    isChecked: true,
                    num: 2,
                    price: 6,
                },
                {
                    id: 2,
                    icon: 'http://autumnfish.cn/static/荔枝.png',
                    isChecked: false,
                    num: 7,
                    price: 20,
                },
                {
                    id: 3,
                    icon: 'http://autumnfish.cn/static/榴莲.png',
                    isChecked: false,
                    num: 3,
                    price: 40,
                },
                {
                    id: 4,
                    icon: 'http://autumnfish.cn/static/鸭梨.png',
                    isChecked: true,
                    num: 10,
                    price: 3,
                },
                {
                    id: 5,
                    icon: 'http://autumnfish.cn/static/樱桃.png',
                    isChecked: false,
                    num: 20,
                    price: 34,
                },
            ]
        },
        methods: {
            del(id) {
                this.fruitList = this.fruitList.filter(item => item.id !== id)
            },
            subtract(id) {
                const index = this.fruitList.findIndex(item => item.id === id)
                console.log(index)
                this.fruitList[index].num--
                if (this.fruitList[index].num === 0) {
                    this.del(id)
                }
            },
            add(id) {
                const index = this.fruitList.findIndex(item => item.id === id)
                console.log(index)
                this.fruitList[index].num++
            }
        }
    })
</script>
</body>
</html>
